4(2r+5)=10

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Solution for 4(2r+5)=10 equation: 



4(2r+5)=10

We move all terms to the left:

4(2r+5)-(10)=0

We multiply parentheses

8r+20-10=0

We add all the numbers together, and all the variables

8r+10=0

We move all terms containing r to the left, all other terms to the right

8r=-10

r=-10/8

r=-1+1/4

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